Made of Chrome Vanadium steel. Chrome finish provides exceptional resistance to rust. MaxiDrive grip system, the rounded gripping surface allows 15% more torque and prevents rounding of nuts. Meets the most demanding international standards ANSI, DIN, and ISO. Case to facilitate organization and transport. Hand tool for professional use, Lifetime warranty.

10 pieces: 1 Ratchet with 3/8-inch round head, 1 Extension bar 3 inches, 8 3/8-inch square sockets: 10, 11, 12, 13, 14, 16, 17 & 19 mm.